388630892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 743975232

約数和(自身を除く): 355344340

約数列:

[1, 2, 4, 13, 26, 52, 157, 181, 263, 314, 362, 526, 628, 724, 1052, 2041, 2353, 3419, 4082, 4706, 6838, 8164, 9412, 13676, 28417, 41291, 47603, 56834, 82582, 95206, 113668, 165164, 190412, 369421, 536783, 618839, 738842, 1073566, 1237678, 1477684, 2147132, 2475356, 7473671, 14947342, 29894684, 97157723, 194315446, 388630892]

約数ペア:

[(1, 388630892), (2, 194315446), (4, 97157723), (13, 29894684), (26, 14947342), (52, 7473671), (157, 2475356), (181, 2147132), (263, 1477684), (314, 1237678), (362, 1073566), (526, 738842), (628, 618839), (724, 536783), (1052, 369421), (2041, 190412), (2353, 165164), (3419, 113668), (4082, 95206), (4706, 82582), (6838, 56834), (8164, 47603), (9412, 41291), (13676, 28417)]